diff --git a/tsfile/src/main/java/org/apache/tsfile/compress/IUnCompressor.java b/tsfile/src/main/java/org/apache/tsfile/compress/IUnCompressor.java
index 9e0a3ed5e..aabac3bfe 100644
--- a/tsfile/src/main/java/org/apache/tsfile/compress/IUnCompressor.java
+++ b/tsfile/src/main/java/org/apache/tsfile/compress/IUnCompressor.java
@@ -19,11 +19,11 @@
 
 package org.apache.tsfile.compress;
 
-import net.jpountz.lz4.LZ4Compressor;
 import org.apache.tsfile.exception.compress.CompressionTypeNotSupportedException;
 import org.apache.tsfile.file.metadata.enums.CompressionType;
 
 import com.github.luben.zstd.Zstd;
+import net.jpountz.lz4.LZ4Compressor;
 import net.jpountz.lz4.LZ4SafeDecompressor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;